Bunk bed



The FIGURE is a drawing showing a bunk bed with cattle brands thereon, the bunk bed having ladder-like notches in the footboards.

The side and end face that is not shown in FIG. 1 is like the disclosed face, with the exception that the undisclosed end face does not have notches as does the disclosed end face. 

The ornamental design for a bunk bed, substantially as shown and described. 